Whitney Houston’s boozing teen daughter was caught in the mid­dle of a terrifying gun battle – and now faces six months in jail, The ENQUIRER has learned exclusively. The troubled 18-year-old was handcuffed and ordered to lie down after police nabbed her during the bloody confrontation in Roswell, Ga. Bobbi Kristina Brown has been charged as a minor in possession of alcohol. If convicted, she could spend a half-year behind bars.

Her badly shaken mom Whitney – who has her own tragic history of substance abuse – “was horrified when she found out her daugh­ter was in the middle of the drunken brawl,” divulged a family friend.

“It absolutely terrified her that a gun was involved and Bobbi could have been shot by accident. Whit­ney shipped her daughter to Los Angeles just days later to get her away from the bad influences.” It began when Bobbi and three male friends were in a Honda pulling out of a subdivision. They were spotted by Bobbi’s ex-boyfriend Max Lomas, who was in another car with Nicholas Gordon, the adopted son of Whitney Houston.

The Honda came to a stop at a red light, and the front-seat passenger Justin Walls claimed that Lomas approached the vehicle “and tried to punch him in the face while they were waiting on the traffic light to turn green,” according to the police report.

Soon both cars pulled into a local Chevron station – and all hell broke loose!

SMH if this is true…apparently this crazy story will be in its entirety in the print version of the National Enquirer.